A First-Order Reaction Has a Rate Constant of 0

question 74

Multiple Choice

A first-order reaction has a rate constant of 0.33 ^min-1. It takes __________ min for the reactant concentration to decrease from 0.13 M to 0.095 M.

• A)0.085
• B)0.13
• C)0.41
• D)1.2
• E)0.95

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Definitions:

Units Started

The number of production units that have begun the manufacturing process within a specific period.

FIFO Method

A stock valuation method where the first items purchased or produced are the first ones removed from inventory, standing for "First-In, First-Out".

Conversion Costs

The combination of labor and overhead expenses incurred to transform raw materials into finished products.

Grinding Department

A production segment within a manufacturing facility where materials are ground, refined, or processed.